Examples of org.teavm.model.MethodReference

org.teavm.model.MethodReference

Specifies a fully qualified name of a method, including its name, class name, parameter types and return value type. This class overloads equals and hashCode so that any two references to one method are considered equal.

Though in Java language it is enough to have only parameter types to uniquely identify a method, JVM uses return value as well. Java generates bridge methods to make adjust the JVM's behavior.
@author Alexey Andreev

        context.writeExpr(context.getArgument(0));
        writer.append(".constructor)");
    }


    private void achieveGetClass(DependencyAgent agent, MethodDependency method) {
        MethodReference initMethod = new MethodReference(Class.class, "createNew", Class.class);
        agent.linkMethod(initMethod, method.getStack()).use();
        method.getResult().propagate(agent.getType("java.lang.Class"));
    }

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    private void generateGetLength(GeneratorContext context, SourceWriter writer) throws IOException {
        String array = context.getParameterName(1);
        writer.append("if (" + array + " === null || " + array + ".constructor.$meta.item === undefined) {")
                .softNewLine().indent();
        String clsName = "java.lang.IllegalArgumentException";
        MethodReference cons = new MethodReference(clsName, new MethodDescriptor("<init>", ValueType.VOID));
        writer.append("$rt_throw(").appendClass(clsName).append(".").appendMethod(cons).append("());").softNewLine();
        writer.outdent().append("}").softNewLine();
        writer.append("return " + array + ".data.length;").softNewLine();
    }

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    private void achieveGetLength(final DependencyAgent agent, final MethodDependency method) {
        method.getVariable(1).addConsumer(new DependencyConsumer() {
            @Override public void consume(DependencyAgentType type) {
                if (!type.getName().startsWith("[")) {
                    MethodReference cons = new MethodReference(IllegalArgumentException.class, "<init>", void.class);
                    agent.linkMethod(cons, method.getStack()).use();
                }
            }
        });
    }

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        String array = context.getParameterName(1);
        writer.append("var item = " + array + ".data[" + context.getParameterName(2) + "];").softNewLine();
        writer.append("var type = " + array + ".constructor.$meta.item;").softNewLine();
        for (int i = 0; i < primitives.length; ++i) {
            String wrapper = "java.lang." + primitiveWrappers[i];
            MethodReference methodRef = new MethodReference(wrapper, "valueOf",
                    primitiveTypes[i], ValueType.object(wrapper));
            ClassReader cls = context.getClassSource().get(methodRef.getClassName());
            if (cls == null || cls.getMethod(methodRef.getDescriptor()) == null) {
                continue;
            }
            writer.append("if (type === $rt_" + primitives[i].toLowerCase() + "cls()) {").indent().softNewLine();
            writer.append("return ").appendMethodBody(methodRef).append("(item);").softNewLine();
            writer.outdent().append("} else ");

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                if (type.getName().startsWith("[")) {
                    String typeName = type.getName().substring(1);
                    for (int i = 0; i < primitiveTypes.length; ++i) {
                        if (primitiveTypes[i].toString().equals(typeName)) {
                            String wrapper = "java.lang." + primitiveWrappers[i];
                            MethodReference methodRef = new MethodReference(wrapper, "valueOf",
                                    primitiveTypes[i], ValueType.object(wrapper));
                            agent.linkMethod(methodRef, method.getStack()).use();
                            method.getResult().propagate(agent.getType("java.lang." + primitiveWrappers[i]));
                        }
                    }

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        return append(naming.getNameFor(method));
    }


    public SourceWriter appendMethod(String className, String name, ValueType... params)
            throws NamingException, IOException {
        return append(naming.getNameFor(new MethodReference(className, new MethodDescriptor(name, params))));
    }

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        return append(naming.getFullNameFor(method));
    }


    public SourceWriter appendMethodBody(String className, String name, ValueType... params)
            throws NamingException, IOException {
        return append(naming.getFullNameFor(new MethodReference(className, new MethodDescriptor(name, params))));
    }

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    public MethodReference getExactMethod(int index) {
        long item = exactMethods[index];
        int classIndex = (int)(item >>> 32);
        int methodIndex = (int)item;
        return new MethodReference(classNames[classIndex], MethodDescriptor.parse(methods[methodIndex]));
    }

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        }
        String method = componentByKey(methodMapping, methods, generatedLocation);
        if (method == null) {
            return null;
        }
        return new MethodReference(className, MethodDescriptor.parse(method));
    }

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        RecordArrayBuilder builder = new RecordArrayBuilder(0, 1);
        for (int i = 0; i < exactMethods.length; ++i) {
            builder.add();
        }
        GeneratedLocation prevLocation = new GeneratedLocation(0, 0);
        MethodReference prevMethod = null;
        int prevMethodId = -1;
        for (ExactMethodIterator iter = iterateOverExactMethods(); !iter.isEndReached(); iter.next()) {
            int id = iter.getExactMethodId();
            if (prevMethod != null) {
                int lineIndex = Math.max(0, indexByKey(lineMapping, prevLocation));

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